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What special phenomena will appear at the autumnal equinox? What are the weather changes

DailyBird Culture 2021-10-09 1 0

autumnal equinox is the sixteenth of the twenty-four solar terms and one of the solar terms in autumn. In autumn, the weather turns cool gradually. What are the characteristics of the autumnal equinox? What does the autumnal equinox mean? What are the changes in the weather at the autumnal equinox? Next, let's follow the old yellow calendar of this issue and have a look!

秋分会出现什么特殊现象 分是指什么 天气有哪些变化 you may be interested in: what special phenomenon will happen on the auspicious day of 2020

autumnal equinox

the north and south poles live a common day. On the autumnal equinox, the sun shines directly at the equator, and both the north and south poles can see the sun at the same time and share the same day. The height of


is as long as the shadow. They can measure the height of the building without climbing, because they seem to have discussed with their shadow for a long time. The height of this day is as long as the shadow, so they know the length of the shadow and the height of the building.


can't find their own shadow, because the direct point of the sun shines impartially on the equator. When you come to the equatorial line, you will find that no object can find its own shadow.


and 秋分会出现什么特殊现象 分是指什么 天气有哪些变化 you may be interested in: what does the autumnal equinox of


mean on the auspicious day of travel in 2020: day and night are equally divided, and autumn color is equally divided. First, the time of day and night is equal, and gradually from day to day and night to day and night. On this day, the sun reaches 180 degrees of the Yellow meridians and directly hits the earth's equator. Therefore, the 24-hour day and night of this day are divided equally, 12 hours each. There is no polar day and night phenomenon in the world. Second, according to the seasonal division method in ancient China, which began with the beginning of spring, summer, autumn and winter, the autumnal equinox occupies 90 days of autumn, and the autumn is divided equally.


and 秋分会出现什么特殊现象 分是指什么 天气有哪些变化 you may be interested in: what is the change in the weather at the autumnal equinox of


on the auspicious day of construction in 2020: it is not hot after the autumnal equinox. During the autumnal equinox, most parts of China have entered a cool autumn. The cold air going south meets the gradually decaying warm and humid air, resulting in precipitation again and again, and the temperature drops again and again. As people often say, when it comes to "one autumn rain and one cold", the daily precipitation after the autumnal equinox will not be very large. At this time, the field farming in the South and North are different. In North China, there is an agricultural proverb that says, "the White Dew is early, the cold dew is late, and it is the right time to plant wheat in autumn." the proverb clearly stipulates the time for sowing winter wheat in this area; "The autumn equinox weather is cloudy, good songs and good rice planting everywhere" reflects the time of rice planting in Jiangnan area. In addition, the taboos of the working people on the autumnal equinox solar terms are also summarized into proverbs, such as "the autumnal equinox is only afraid of lightning flash, how much rice is expensive."

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